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1/**********************************************************************
2** Copyright (C) 2000 Trolltech AS. All rights reserved.
3**
4** This file is part of Qtopia Environment.
5**
6** This file may be distributed and/or modified under the terms of the
7** GNU General Public License version 2 as published by the Free Software
8** Foundation and appearing in the file LICENSE.GPL included in the
9** packaging of this file.
10**
11** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
12** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
13**
14** See http://www.trolltech.com/gpl/ for GPL licensing information.
15**
16** Contact info@trolltech.com if any conditions of this licensing are
17** not clear to you.
18**
19**********************************************************************/
20
21#ifndef QCOM_H
22#define QCOM_H
23
24#include <qstringlist.h>
25
26#ifndef QT_NO_COMPONENT
27
28#include <qpe/quuid.h>
29
30#define QRESULT unsigned long
31#define QS_OK (QRESULT)0x00000000
32#define QS_FALSE (QRESULT)0x00000001
33
34#define QE_NOTIMPL (QRESULT)0x80000001
35#define QE_OUTOFMEMORY (QRESULT)0x80000002
36#define QE_INVALIDARG (QRESULT)0x80000003
37#define QE_NOINTERFACE (QRESULT)0x80000004
38#define QE_NOCOMPONENT (QRESULT)0x80000005
39
40// {1D8518CD-E8F5-4366-99E8-879FD7E482DE}
41#ifndef IID_QUnknown
42#define IID_QUnknown QUuid(0x1d8518cd, 0xe8f5, 0x4366, 0x99, 0xe8, 0x87, 0x9f, 0xd7, 0xe4, 0x82, 0xde)
43#endif
44
45struct Q_EXPORT QUnknownInterface
46{
47 virtual QRESULT queryInterface( const QUuid&, QUnknownInterface** ) = 0;
48 virtual ulong addRef() = 0;
49 virtual ulong release() = 0;
50};
51
52// {D16111D4-E1E7-4C47-8599-24483DAE2E07}
53#ifndef IID_QLibrary
54#define IID_QLibrary QUuid( 0xd16111d4, 0xe1e7, 0x4c47, 0x85, 0x99, 0x24, 0x48, 0x3d, 0xae, 0x2e, 0x07)
55#endif
56
57struct Q_EXPORT QLibraryInterface : public QUnknownInterface
58{
59 virtual bool init() = 0;
60 virtual void cleanup() = 0;
61 virtual bool canUnload() const = 0;
62};
63
64#define Q_CREATE_INSTANCE( IMPLEMENTATION ) \
65 IMPLEMENTATION *i = new IMPLEMENTATION; \
66 QUnknownInterface* iface = 0; \
67 i->queryInterface( IID_QUnknown, &iface ); \
68 return iface;
69
70#define Q_EXPORT_INTERFACE() \
71 extern "C" QUnknownInterface* ucm_instantiate()
72
73#define Q_REFCOUNT ulong addRef() {return ref++;}ulong release() {if(!--ref){delete this;return 0;}return ref;}
74
75#else // QT_NO_COMPONENT
76
77struct Q_EXPORT QUnknownInterface
78{
79};
80
81#endif // QT_NO_COMPONENT
82
83#endif // QCOM_H